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    METHOD AND APPARATUS FOR DETERMINING RECEIVE DIVERSITY IN MOBILE STATION
    51.
    发明公开
    METHOD AND APPARATUS FOR DETERMINING RECEIVE DIVERSITY IN MOBILE STATION 审中-公开
    方法和设备，用来确定接收分集的移动台

    公开(公告)号：EP1497931A2

    公开(公告)日：2005-01-19

    申请号：EP03716995.0

    申请日：2003-04-04

    Applicant: Qualcomm, Incorporated

    Inventor： AGASHE, Parag ,  BLACK, Peter J. ,  PADOVANI, Roberto

    IPC: H04B7/08 ,  H04B1/16

    CPC classification number: H04B7/0874 ,  Y02D70/1242 ,  Y02D70/444

    Abstract: For determining use of receive diversity in a mobile station, a control system ( 210 or 401 ) determines a demand level for use of communication resources. A transmitter ( 300 ) communicates a message indicating use of receive diversity at a mobile station based on the determined demand level. In another aspect, a receiver ( 200 ) receives a channel and determines transmit power level of the channel for being at a lower or upper transmit power level limit. The control system ( 210 or 401 ) controls receive diversity by selecting a number of receiver chains ( 290 ) based on the determined transmit power level. In another aspect, receiver ( 200 ) receives a channel and determines a channel condition of the channel and duration of the channel condition. Control system ( 210 or 401 ) controls receive diversity by selecting a number of receiver chains ( 290 ) based on the determined channel condition and the duration.

    Abstract translation: 确定性采矿使用的接收分集的移动台，控制系统（210或401）bestimmt使用通信资源的需求水平。 发射机（300）进行通信的信息，指示在使用基于确定性开采需求水平的移动台接收分集的。 在另一个方面，一个接收器（200）接收信道而确定的地雷发送信道的功率电平是在一个较低的或上部的发射功率电平的限制。 该控制系统（210或401）控制通过选择多个接收机链基于确定性开采发射功率电平（290）的接收分集。 在另一个方面，接收机（200）接收的信道和bestimmt信道条件的信道和持续时间的信道条件。 控制系统（210或401）控制通过选择多个接收机链基于确定性开采信道条件和持续时间（290）的接收分集。

    METHOD AND APPARATUS FOR PERFORMING RATE DETERMINATION USING ORTHOGONAL RATE-DEPENDENT WALSH COVERING CODES
    52.
    发明公开
    METHOD AND APPARATUS FOR PERFORMING RATE DETERMINATION USING ORTHOGONAL RATE-DEPENDENT WALSH COVERING CODES 审中-公开
    方法和设备费率确定应用正交RATABHÄNGIGEN蔓延Walsh码

    公开(公告)号：EP1055291A1

    公开(公告)日：2000-11-29

    申请号：EP99906713.5

    申请日：1999-02-03

    Applicant: QUALCOMM Incorporated

    Inventor： BLACK, Peter J. ,  STEIN, Jeremy, M.

    IPC: H04B1/707

    CPC classification number: H04L25/0262 ,  H04B1/707 ,  H04J13/0048 ,  H04J13/18 ,  H04L1/08

    Abstract: A method and apparatus for rate determination in a communication system using orthogonal rate-dependent Walsh covering codes. Orthogonal rate-dependent Walsh codes are used to cover repeated code symbols prior to transmission over a communication link. The Walsh codes comprise orthogonal binary codes that increase by powers of two for each data rate in the system. Code symbols are repeated and then covered at the symbol rate using the inventive orthogonal Walsh codes. The symbol error rate (SER) blocks are used to generate rate-dependent SER metrics for each of the candidate rates. SER estimators (230, 232, 234, 236) associated with soft combiners (204, 206, 208, 210) using incorrect data rate hypotheses produce high symbol error rates with respect to the symbol error rate produced by the SER estimator (230, 232, 234, 236) associated with the soft combiner (204, 206, 208, 210) using the correct rate hypothesis. In another embodiment, energy metric calculators (250, 252, 254, 256) are substituted for SER estimators (230, 232, 234, 236) and used to generate rate-dependent re-encoded energy metrics for each candidate data rate. The energy metrics produce an estimate of the symbol energy, and the symbol energy is used as a data rate indicator.

    De-Jitter buffer adjustments based on estimated delay
    55.
    发明授权
    De-Jitter buffer adjustments based on estimated delay 有权
    估计的延迟的基础上，去抖动缓冲区设置

    公开(公告)号：EP1800454B1

    公开(公告)日：2013-11-20

    申请号：EP05812662.4

    申请日：2005-10-12

    Applicant: QUALCOMM INCORPORATED

    Inventor： SPINDOLA, Serafin Diaz ,  BLACK, Peter J.

    IPC: H04L29/06

    CPC classification number: H04L1/205 ,  H04J3/0632 ,  H04L29/06027 ,  H04L65/80 ,  H04W28/14 ,  H04W36/00

    Abstract: Systems and methods for adapting a de-jitter buffer to conform to air link conditions. An air link characteristic may be detected before that characteristic begins to affect packet delivery, such as by slowing or speeding delivery delay at a subscriber station. A receiver-side de-jitter buffer, which adds delay to received packets, may adaptively adjust its size based upon the detected air link characteristic, such that the de-jitter buffer is appropriately sized for anticipated data packets before they are received at the subscriber station.

    VARIABLE RATE BROADCAST WITH SOFT HANDOFF
    58.
    发明授权
    VARIABLE RATE BROADCAST WITH SOFT HANDOFF 有权
    具有软迄今取得广播可变速率

    公开(公告)号：EP1782655B1

    公开(公告)日：2008-07-30

    申请号：EP05774742.0

    申请日：2005-07-18

    Applicant: Qualcomm Incorporated

    Inventor： BLACK, Peter J.

    IPC: H04Q7/38

    CPC classification number: H04W72/005 ,  H04W36/18

    Abstract: Embodiments described herein relate to providing variable rate broadcast services with soft handoff in wireless communications. In an embodiment, a plurality of access points (e.g., servicing various cells in a broadcast area) may transmit a broadcast content in accordance with a rate set. The rate set may include a plurality of distinct data rates each associated with a transmission format, configured to allow the broadcast packets transmitted by the access points to be incrementally combined (e.g., on a per-slot basis at a subscribing AT). The data rates and corresponding transmission formats in the rate set may be selected in relation to the supportable data rates of the cells in the broadcast area, as well as the requirements for supporting soft handoff in these cells.

    DE-JITTER BUFFER ADJUSTMENTS BASED ON ESTIMATED DELAY
    59.
    发明公开
    DE-JITTER BUFFER ADJUSTMENTS BASED ON ESTIMATED DELAY 有权
    估计的延迟的基础上，去抖动缓冲区设置

    公开(公告)号：EP1800454A1

    公开(公告)日：2007-06-27

    申请号：EP05812662.4

    申请日：2005-10-12

    Applicant: QUALCOMM INCORPORATED

    Inventor： SPINDOLA, Serafin Diaz ,  BLACK, Peter J.

    IPC: H04L29/06

    CPC classification number: H04L1/205 ,  H04J3/0632 ,  H04L29/06027 ,  H04L65/80 ,  H04W28/14 ,  H04W36/00

    Abstract: Systems and methods for adapting a de-jitter buffer to conform to air link conditions. An air link characteristic may be detected before that characteristic begins to affect packet delivery, such as by slowing or speeding delivery delay at a subscriber station. A receiver-side de-jitter buffer, which adds delay to received packets, may adaptively adjust its size based upon the detected air link characteristic, such that the de-jitter buffer is appropriately sized for anticipated data packets before they are received at the subscriber station.

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